28657412

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5303}}^1$

素因数の和:5507

約数の個数: 24

約数和(自身を含む): 57622656

約数和(自身を除く): 28965244

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 5303, 5404, 10606, 21212, 37121, 74242, 148484, 1023479, 2046958, 4093916, 7164353, 14328706, 28657412]

約数ペア:

[(1, 28657412), (2, 14328706), (4, 7164353), (7, 4093916), (14, 2046958), (28, 1023479), (193, 148484), (386, 74242), (772, 37121), (1351, 21212), (2702, 10606), (5303, 5404)]